489. assignment (physics basics)
23. A force of 10.0 N is applied to a string whose elastic constant is 0.250 N/cm. Calculate its length.
24. The relationship on the change in length of a stretched or compressed object to the force causing the change is defined by:
25. As a diver goes deep into the ocean, he is compressed by the pressure of the surrounding water. What happens to the diver’s density?
26. A rock of mass 2 kg displaces 30 m^3 of water. Calculate the mass density of the rock.
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